terminal type option subnegotiation in telnetlib

[willeke]

BPO	723364
Nosy	@loewis
Files	telnetlib-ttype.patch: allow TTYPE subnegotiation

^{Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.}

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GitHub fields:

assignee = 'https://github.com/loewis'
closed_at = <Date 2003-10-26.16:59:50.000>
created_at = <Date 2003-04-17.21:13:52.000>
labels = ['library']
title = 'terminal type option subnegotiation in telnetlib'
updated_at = <Date 2003-10-26.16:59:50.000>
user = 'https://bugs.python.org/willeke'

bugs.python.org fields:

activity = <Date 2003-10-26.16:59:50.000>
actor = 'loewis'
assignee = 'loewis'
closed = True
closed_date = None
closer = None
components = ['Library (Lib)']
creation = <Date 2003-04-17.21:13:52.000>
creator = 'willeke'
dependencies = []
files = ['5195']
hgrepos = []
issue_num = 723364
keywords = ['patch']
message_count = 2.0
messages = ['43413', '43414']
nosy_count = 2.0
nosy_names = ['loewis', 'willeke']
pr_nums = []
priority = 'normal'
resolution = 'out of date'
stage = None
status = 'closed'
superseder = None
type = None
url = 'https://bugs.python.org/issue723364'
versions = ['Python 2.2']

[willeke]

The attached patch makes it possible for an option
negotiation callback to subnegotiate the terminal type
option (per RFC 1091).

The patch does the following:

• defines the SB and SE commands (per RFC 854)
• defines QUAL_IS and QUAL_SEND (adapted from
  <arpa/telnet.h>)
• passes SB ... SE to callback in process_rawq()

A simple callback would specify the terminal type as
follows:

• respond to IAC DO TTYPE with IAC WILL TTYPE
• respond to IAC SB TTYPE QUAL_SEND IAC SE with IAC
  SB TTYPE QUAL_IS 'vt100' IAC SE

[loewis]

Logged In: YES
user_id=21627

It appears to me that this patch is already superceded by
patch bpo-630829, which is released with Python 2.3. If you
disagree, please update the patch to the current code base,
and identify aspects not yet implemented.